<template>
  <div class="app-container">
    <el-form :model="queryParams" ref="queryForm" :inline="true" v-show="showSearch" label-width="68px">
      <el-form-item label="用户ID" prop="channelId">
        <el-input v-model="queryParams.channelId" placeholder="请输入用户ID" clearable size="small" @keyup.enter.native="handleQuery" />
      </el-form-item>
      <el-form-item label="文章ID" prop="articleId">
        <el-input v-model="queryParams.articleId" placeholder="请输入文章ID" clearable size="small" @keyup.enter.native="handleQuery" />
      </el-form-item>
      <el-form-item label="文章名称" prop="name">
        <el-input v-model="queryParams.name" placeholder="文章名称" clearable size="small" @keyup.enter.native="handleQuery" />
      </el-form-item>
      <el-form-item>
        <el-button type="cyan" icon="el-icon-search" size="mini" @click="handleQuery">搜索</el-button>
        <el-button icon="el-icon-refresh" size="mini" @click="resetQuery">重置</el-button>
      </el-form-item>
    </el-form>

    <el-row :gutter="10" class="mb8">
      <el-col :span="1.5">
        <el-button type="primary" icon="el-icon-plus" size="mini" @click="handleAdd" v-hasPermi="['system:material:add']">新增</el-button>
      </el-col>
      <el-col :span="1.5">
        <el-button type="success" icon="el-icon-edit" size="mini" :disabled="single" @click="handleUpdate" v-hasPermi="['system:material:edit']">修改</el-button>
      </el-col>
      <el-col :span="1.5">
        <el-button type="danger" icon="el-icon-delete" size="mini" :disabled="multiple" @click="handleDelete"
          v-hasPermi="['system:material:remove']">删除</el-button>
      </el-col>
      <el-col :span="1.5">
        <el-button type="warning" icon="el-icon-download" size="mini" @click="handleExport" v-hasPermi="['system:material:export']">导出</el-button>
      </el-col>
      <right-toolbar :showSearch.sync="showSearch" @queryTable="getList"></right-toolbar>
    </el-row>

    <el-table v-loading="loading" :data="materialList" @selection-change="handleSelectionChange">
      <el-table-column type="selection" width="55" align="center" />
      <el-table-column label="文章ID" align="center" prop="articleId" />
      <el-table-column label="文章名称 " align="center" prop="name" />
      <el-table-column label="素材排序" align="center" prop="ord" />
      <el-table-column label="素材下载地址" align="center" prop="url" />
      <el-table-column label="素材图片">
        <template width="90" slot-scope="scope">
          <img v-if="scope.row.materialType===1" style="width:80px;height:80px;border:none;" :src="scope.row.url">
        </template>
      </el-table-column>
      <el-table-column label="素材类型" align="center" prop="materialType" />
      <el-table-column label="操作" align="center" class-name="small-padding fixed-width">
        <template slot-scope="scope">
          <el-button size="mini" type="text" icon="el-icon-edit" @click="handleUpdate(scope.row)" v-hasPermi="['system:material:edit']">修改</el-button>
          <el-button size="mini" type="text" icon="el-icon-delete" @click="handleDelete(scope.row)" v-hasPermi="['system:material:remove']">删除</el-button>
        </template>
      </el-table-column>
    </el-table>

    <pagination v-show="total>0" :total="total" :page.sync="queryParams.pageNum" :limit.sync="queryParams.pageSize"
      @pagination="getList" />

    <!-- 添加或修改APP用户素材对话框 -->
    <el-dialog :title="title" :visible.sync="open" width="500px" append-to-body>
      <el-form ref="form" :model="form" :rules="rules" label-width="80px">
        <el-form-item label="文章ID" prop="articleId">
          <el-input v-model="form.articleId" placeholder="请输入文章ID" />
        </el-form-item>
         <el-form-item label="上传" prop="field">
            <el-upload ref="field" :file-list="fieldfileList" :action="fieldAction" multiple :before-upload="fieldBeforeUpload"
              list-type="picture-card" :http-request="fileUpload">
              <i class="el-icon-plus"></i>
            </el-upload>
          </el-form-item>
        <el-form-item label="素材排序" prop="ord">
          <el-input v-model="form.ord" placeholder="请输入素材排序" />
        </el-form-item>
        <el-form-item label="文章内容" prop="content">
          <el-input v-model="form.content" placeholder="请输入文章内容" />
        </el-form-item>
      </el-form>
      <div slot="footer" class="dialog-footer">
        <el-button type="primary" @click="submitForm">确 定</el-button>
        <el-button @click="cancel">取 消</el-button>
      </div>
    </el-dialog>
  </div>
</template>

<script>
  import {
    listMaterial,
    getMaterial,
    delMaterial,
    addMaterial,
    updateMaterial,
    exportMaterial
  } from "@/api/article/material";
import { fileUpload} from "@/api/article/article";
  export default {
    name: "Material",
    data() {
      return {
        // 遮罩层
        loading: true,
        // 选中数组
        ids: [],
        // 非单个禁用
        single: true,
        // 非多个禁用
        multiple: true,
        // 显示搜索条件
        showSearch: true,
        // 总条数
        total: 0,
        // APP用户素材表格数据
        materialList: [],
        // 弹出层标题
        title: "",
        // 是否显示弹出层
        open: false,
        fieldfileList:[],
        fieldAction:"",
        // 查询参数
        queryParams: {
          pageNum: 1,
          pageSize: 10,
          channelId: null,
          articleId: null,
          name: null,
          ord: null,
          url: null,
          storageType: null,
          materialType: null,
          content: null,
          createdTime: null
        },
        // 表单参数
        form: {},
        // 表单校验
        rules: {
          url: [
          { required: true, message: "文件上传地址不能为空", trigger: "blur" },
        ],
        }
      };
    },
    created() {
      this.getList();
    },
    methods: {
      /**文件上传 */
      fileUpload(param) {
        fileUpload(param).then(res => {
            this.form.url = res.msg;
        })
      },
      fieldBeforeUpload(file) {
        let isRightSize = file.size / 1024 / 1024 < 20
        if (!isRightSize) {
          this.$message.error('文件大小超过 20MB')
        }
        return isRightSize
      },
      /** 查询APP用户素材列表 */
      getList() {
        this.loading = true;
        listMaterial(this.queryParams).then(response => {
          this.materialList = response.rows;
          this.total = response.total;
          this.loading = false;
        });
      },
      // 取消按钮
      cancel() {
        this.open = false;
        this.reset();
      },
      // 表单重置
      reset() {
        this.form = {
          id: null,
          channelId: null,
          articleId: null,
          name: null,
          ord: null,
          url: null,
          storageType: null,
          materialType: null,
          content: null,
          createdTime: null
        };
        this.resetForm("form");
      },
      /** 搜索按钮操作 */
      handleQuery() {
        this.queryParams.pageNum = 1;
        this.getList();
      },
      /** 重置按钮操作 */
      resetQuery() {
        this.resetForm("queryForm");
        this.handleQuery();
      },
      // 多选框选中数据
      handleSelectionChange(selection) {
        this.ids = selection.map(item => item.id)
        this.single = selection.length !== 1
        this.multiple = !selection.length
      },
      /** 新增按钮操作 */
      handleAdd() {
        this.reset();
        this.open = true;
        this.title = "添加APP用户素材";
      },
      /** 修改按钮操作 */
      handleUpdate(row) {
        this.reset();
        const id = row.id || this.ids
        getMaterial(id).then(response => {
          this.form = response.data;
          this.open = true;
          this.title = "修改APP用户素材";
        });
      },
      /** 提交按钮 */
      submitForm() {
        this.$refs["form"].validate(valid => {
          if(this.form.url === null){
            this.msgError("上传地址为空，请等待⌛️,3s后再次提交...");
            return;
          }
          if (valid) {
            if (this.form.id != null) {
              updateMaterial(this.form).then(response => {
                if (response.code === 200) {
                  this.msgSuccess("修改成功");
                  this.open = false;
                  this.getList();
                  this.fieldfileList=[];
                }
              });
            } else {
              addMaterial(this.form).then(response => {
                if (response.code === 200) {
                  this.msgSuccess("新增成功");
                  this.open = false;
                  this.getList();
                  this.fieldfileList=[];
                }
              });
            }
          }
        });
      },
      /** 删除按钮操作 */
      handleDelete(row) {
        const ids = row.id || this.ids;
        this.$confirm('是否确认删除APP用户素材编号为"' + ids + '"的数据项?', "警告", {
          confirmButtonText: "确定",
          cancelButtonText: "取消",
          type: "warning"
        }).then(function() {
          return delMaterial(ids);
        }).then(() => {
          this.getList();
          this.msgSuccess("删除成功");
        }).catch(function() {});
      },
      /** 导出按钮操作 */
      handleExport() {
        const queryParams = this.queryParams;
        this.$confirm('是否确认导出所有APP用户素材数据项?', "警告", {
          confirmButtonText: "确定",
          cancelButtonText: "取消",
          type: "warning"
        }).then(function() {
          return exportMaterial(queryParams);
        }).then(response => {
          this.download(response.msg);
        }).catch(function() {});
      }
    }
  };
</script>
